The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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One ragweed plant can release as many as one billion grains of pollen!
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Scientists in Germany have developed a candy that doesn't cause cavities.
11
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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